NDLI: Second-Order Cone Programming for Scan-Plane Reconstruction for the Wavelength-Scaled Array

Content Provider	IEEE Xplore Digital Library
Author	Dorsey, W.M. Coleman, J.O. Kindt, R.W. Mital, R.
Copyright Year	1963
Abstract	The wavelength-scaled array architecture reduces the element count in large, ultrawideband antenna arrays by segmenting the aperture into subapertures of varying sizes and bandwidths. This results in an asymmetrical aperture of dissimilar elements with associated patterns that require significant correction. Here, we assess narrowband array performance using its far-field pattern as obtained in two steps. First, we characterize individual elements using planar near-field measurements. Second, we use second-order cone programming to optimize the complex element weights that generate the desired individual far-field element patterns derived from those measurements. This document details the far-field optimization technique, referred to here as optimized scan-plane reconstruction, and uses it to demonstrate that the asymmetric wavelength-scaled array can support low global sidelobe reduction, deep localized nulls, and/or mainbeam scanning like a conventional symmetric array.
Sponsorship	IEEE Antennas and Propagation Society
Starting Page	2826
Ending Page	2831
Page Count	6
File Size	1404170
File Format	PDF
ISSN	0018926X
Volume Number	62
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Arrays Vectors Optimization Apertures Antenna measurements Lattices near-field far-field transformation Antenna measurement antenna pattern synthesis calibration phased arrays
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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